Combustion instabilities can make a rocket engine have a really bad day. High frequency combustion instabilities are periodic oscillations of combustion that occur due to the coupled interaction between unsteady heat release from combustion, acoustic fluctuations within the combustor, and perturbations of the incoming propellant.
These instabilities become [...]
Buzz Aldrin has released a book about the topic of a manned mission to Mars. Photo Credit: Julian Leek / Blue Sawtooth Studio
On May 7, veteran astronaut and space advocate Buzz Aldrin releases his new book, Mission to Mars: My Vision for Space Exploration. Co-written with respected space journalist Leonard David, the book [...]
This animation still shows Orion separating from its rocket during EFT-1, the unmanned mission designed to demonstrate the spacecraft’s re-entry systems. Image Credit: NASA
Things are looking good for NASA’s Orion spacecraft. The agency announced yesterday the program has passed a number of significant milestones recently. The tools that will mate the pieces of [...]